CEM 141 Study Guide - Comprehensive Midterm Guide: Atomic Number, Alpha Particle, Reagent
Document Summary
The nucleus is very dense and it is where the atom gets its mass. When atoms come together they form molecules. To find protons (atomic number of an element) To find the electrons( if the charge is negative add that charge quantity to the atomic number, if the charge is positive subtract that charge quantity to the atomic number) Restricted to natural phenomena( ex. ghost , angels) Ex. big bang theroy and natural selection by evolution. Has to be replicable (and have results) Ex 1 . what temp will my coffee be if i add milk to it: this is a scientific question because it can be tested. No because it cannot be conducted as an experiment. You need evidence to make a claim and then you can construct a model. Can be a drawing, graph, diagram, or equation to explain how things happen.
